<span>Mao Zedong or Mao Tse-tung, also known as Chairman Mao. He was a Chinese communist revolutionary and founding father of the People's Republic of China. I hope this helps:)</span>
The variety of information is for example:
archaeological find
primary sources, such as video recordings, sound recordings or testimonies of wittnesses
background and context information
linking dependencies and motivations (for example: what was the motivations for the crusades?)
they collect this information to provide a comprehensive account of the events, but they do take into account that any new information could change how we view something.
I’m pretty sure option B is correct